using System.Diagnostics;
using System.Text.Json;
using Admin.NET.Plugin.AiDOP.Entity;
using Admin.NET.Plugin.AiDOP.Manufacturing;
using Admin.NET.Plugin.ApprovalFlow;
using Admin.NET.Plugin.ApprovalFlow.Service;
using Yitter.IdGenerator;
using ApprovalFlowEntity = Admin.NET.Plugin.ApprovalFlow.ApprovalFlow;

namespace Admin.NET.Plugin.AiDOP.Infrastructure;

/// <summary>
/// S6 过程检验单（IPQC）检验员+主管流程种子（幂等）。
///
/// 顺序：① 扩展表 ado_s6_ipqc_inspection_flow_state + 处置表 ado_s6_ipqc_quality_disposition（CodeFirst 建表，无 SQL）
/// ② 角色 ROLE_S6_IPQC_INSPECTOR / SUPERVISOR / QUALITY_ENGINEER ③ UAT 成员绑定(superAdmin.NET 同绑三角色，仅 UAT 自审)
/// ④ ApprovalBizType(IPQC_INSPECTION) ⑤ ApprovalFlow v2 已发布定义
///   (start→N1_INSPECT→N2_SUP_REVIEW→GW_RESULT(disposition_required==1→N3 / 否则→end)→N3_QUALITY_DISPOSITION→end)。
/// v1→v2 幂等升级：已发布定义含 N3 则跳过；仍为 v1 则下架旧版发布 v2；历史 Running 实例用各自 FlowJsonSnapshot 冻结不受影响。
/// superAdmin.NET 不存在时仅告警不崩溃。
/// </summary>
public static class IpqcInspectionFlowSeed
{
    public static void EnsureSeed(ISqlSugarClient db)
    {
        try
        {
            db.CodeFirst.InitTables(
                typeof(ApprovalBizType),
                typeof(ApprovalFlowEntity),
                typeof(ApprovalFlowVersion));
            // 流程状态轻量扩展表 + 质量处置表（CodeFirst 建表，无 SQL）
            db.CodeFirst.InitTables(typeof(AdoS6IpqcInspectionFlowState));
            db.CodeFirst.InitTables(typeof(AdoS6IpqcQualityDisposition));
            // S6-TENANT-AUTHORITY-1：三个 S6 角色改由共享种子按租户建立（原实现全库单例挂默认租户），
            // 并把既有跨租户成员语义等价复制到各自租户。两条 S6 链共用，重复调用幂等。
            S6TenantAuthoritySeed.EnsureTenantAuthority(db);
            EnsureUatMembers(db);
            EnsureBizType(db);
            EnsurePublishedFlow(db);
        }
        catch (Exception ex)
        {
            Trace.TraceWarning("S6 IPQC inspection flow seed: " + ex);
        }
    }

    private static void EnsureUatMembers(ISqlSugarClient db)
    {
        var user = db.Queryable<SysUser>().ClearFilter()
            .Where(x => x.Account == IpqcInspectionFlowConst.UatAccount)
            .First();
        if (user == null)
        {
            Trace.TraceWarning($"S6 IPQC flow seed: UAT 账号 {IpqcInspectionFlowConst.UatAccount} 不存在，跳过成员绑定（阶段2 冒烟前须指定成员）");
            return;
        }
        EnsureUserRole(db, user.Id, IpqcInspectionFlowConst.RoleInspectorId);
        EnsureUserRole(db, user.Id, IpqcInspectionFlowConst.RoleSupervisorId);
        EnsureUserRole(db, user.Id, IpqcInspectionFlowConst.RoleQualityEngineerId);
    }

    private static void EnsureUserRole(ISqlSugarClient db, long userId, long roleId)
    {
        var exists = db.Queryable<SysUserRole>().ClearFilter().Any(x => x.UserId == userId && x.RoleId == roleId);
        if (exists) return;
        db.Insertable(new SysUserRole
        {
            Id = YitIdHelper.NextId(),
            UserId = userId,
            RoleId = roleId,
        }).ExecuteCommand();
    }

    private static void EnsureBizType(ISqlSugarClient db)
    {
        var exists = db.Queryable<ApprovalBizType>().Any(x => x.Code == IpqcInspectionFlowConst.BizType);
        if (exists) return;
        db.Insertable(new ApprovalBizType
        {
            Id = YitIdHelper.NextId(),
            Code = IpqcInspectionFlowConst.BizType,
            Name = "过程检验单审批",
            Remark = "S6 过程检验单 检验员→主管 审批流",
            IsEnabled = true,
            CreateTime = DateTime.Now,
            UpdateTime = DateTime.Now,
        }).ExecuteCommand();
    }

    /// <summary>
    /// S6-TENANT-AUTHORITY-1：副本维度由 **Org 改为 Tenant**。
    ///
    /// 原实现按 SysOrg 逐组织建一份，而 FlowEngineService.StartFlowCore 选定义时**只按 TenantId** 过滤、
    /// 完全不看 OrgId —— 维度错配导致同一租户下出现多份排序键全并列的候选，FirstAsync 选谁不确定。
    /// 改为每租户一份后，租户内候选唯一，且新版本号更高，选取具确定性。
    ///
    /// 只为通过 Activation Gate（三个角色在本租户均有同租户成员）的租户发布，
    /// 避免把目前仍靠 legacy 跨租户 RoleId 工作的租户迁成 0 审批人。
    /// 历史定义（按 Org 建的、以及 TenantId 为空的）**一律不下架、不删除**：本方法纯增量，
    /// 依靠「本租户优先 + 版本号更高」让新定义被稳定命中；legacy 清理属后续独立批次。
    /// </summary>
    private static void EnsurePublishedFlow(ISqlSugarClient db)
    {
        var now = DateTime.Now;
        var flowJson = BuildFlowJson();
        foreach (var tenantId in S6TenantAuthoritySeed.GetActivatableTenantIds(db))
        {
            var existing = db.Queryable<ApprovalFlowEntity>()
                .ClearFilter()
                .Where(x => x.BizType == IpqcInspectionFlowConst.BizType && x.TenantId == tenantId && !x.IsDelete)
                .OrderByDescending(x => x.Version)
                .First();

            // 目标形态判据：审批权威已是 RoleCode。含 RoleCode 即为当前版，跳过（幂等）。
            // 仍是纯数字 RoleId 的（无论 v1 还是 v2 拓扑）都需要补发一版 RoleCode 定义。
            if (existing != null && (existing.FlowJson ?? "").Contains(IpqcInspectionFlowConst.RoleSupervisorCode))
                continue;

            var nextVersion = (existing?.Version ?? 0) + 1;
            var flow = new ApprovalFlowEntity
            {
                Id = YitIdHelper.NextId(),
                Code = $"S6IPQC_T{tenantId}",
                Name = "过程检验单审批",
                BizType = IpqcInspectionFlowConst.BizType,
                FormJson = "{}",
                FlowJson = flowJson,
                Status = 1,
                Remark = "租户级流程：开始-检验员检验-检验主管审核-网关(整批判定)-质量处置-结束（审批权威=RoleCode）",
                Version = nextVersion,
                IsPublished = true,
                OrgId = ResolveTenantOrgId(db, tenantId),
                TenantId = tenantId,
                CreateTime = now,
                UpdateTime = now,
            };
            db.Insertable(flow).ExecuteCommand();
            db.Insertable(new ApprovalFlowVersion
            {
                Id = YitIdHelper.NextId(),
                FlowId = flow.Id,
                Version = flow.Version,
                FlowJson = flow.FlowJson,
                FormJson = flow.FormJson,
                PublishTime = now,
                PublisherName = "系统初始化",
                CreateTime = now,
                UpdateTime = now,
            }).ExecuteCommand();
        }
    }

    /// <summary>
    /// 取租户的主机构 Id 落到定义的 OrgId 上。OrgId 不参与 Runtime 选取（StartFlowCore 已 ClearFilter），
    /// 仅为保持实体字段有意义；取不到时落 0。
    /// </summary>
    private static long ResolveTenantOrgId(ISqlSugarClient db, long tenantId)
    {
        var orgId = db.Queryable<SysTenant>()
            .ClearFilter<ITenantIdFilter>()
            .Where(x => x.Id == tenantId)
            .Select(x => x.OrgId)
            .First();
        return orgId > 0 ? orgId : 0;
    }

    private static string BuildFlowJson()
    {
        var item = new ApprovalFlowItem
        {
            Nodes = new List<ApprovalFlowNodeItem>
            {
                new()
                {
                    Id = "start",
                    Type = "bpmn:startEvent",
                    X = 100,
                    Y = 120,
                    Properties = new FlowProperties { NodeName = "开始" },
                    Text = new FlowTextItem { X = 100, Y = 154, Value = "开始" },
                },
                new()
                {
                    Id = IpqcInspectionFlowConst.NodeInspect,
                    Type = "bpmn:userTask",
                    X = 300,
                    Y = 120,
                    Properties = new FlowProperties
                    {
                        NodeName = "检验员检验",
                        ApproverType = nameof(ApproverTypeEnum.Role),
                        // S6-TENANT-AUTHORITY-1：审批权威用 RoleCode，不用默认租户物理 RoleId。
                        // FlowEngineService 的 Code 分支会按 (Code, effectiveTenantId, Status=Enable)
                        // 在**当前租户内**重新解析出本地 RoleId，天然租户安全。
                        ApproverIds = IpqcInspectionFlowConst.RoleInspectorCode,
                        ApproverNames = "过程检验员",
                        MultiApproveMode = "Any",
                    },
                    Text = new FlowTextItem { X = 300, Y = 154, Value = "检验员检验" },
                },
                new()
                {
                    Id = IpqcInspectionFlowConst.NodeSupervisor,
                    Type = "bpmn:userTask",
                    X = 500,
                    Y = 120,
                    Properties = new FlowProperties
                    {
                        NodeName = "检验主管审核",
                        ApproverType = nameof(ApproverTypeEnum.Role),
                        ApproverIds = IpqcInspectionFlowConst.RoleSupervisorCode,
                        ApproverNames = "过程检验主管",
                        MultiApproveMode = "Any",
                    },
                    Text = new FlowTextItem { X = 500, Y = 154, Value = "检验主管审核" },
                },
                new()
                {
                    Id = IpqcInspectionFlowConst.GatewayResult,
                    Type = "bpmn:exclusiveGateway",
                    X = 660,
                    Y = 120,
                    Properties = new FlowProperties
                    {
                        NodeName = "整批判定分流",
                        Conditions = new List<GatewayCondition>
                        {
                            new()
                            {
                                Expression = "disposition_required == 1",
                                TargetNodeId = IpqcInspectionFlowConst.NodeDisposition,
                                IsDefault = false,
                                Label = "整批不合格转处置",
                            },
                            new()
                            {
                                TargetNodeId = "end",
                                IsDefault = true,
                                Label = "整批合格完成",
                            },
                        },
                    },
                    Text = new FlowTextItem { X = 660, Y = 154, Value = "整批判定分流" },
                },
                new()
                {
                    Id = IpqcInspectionFlowConst.NodeDisposition,
                    Type = "bpmn:userTask",
                    X = 820,
                    Y = 120,
                    Properties = new FlowProperties
                    {
                        NodeName = "质量处置",
                        ApproverType = nameof(ApproverTypeEnum.Role),
                        ApproverIds = IpqcInspectionFlowConst.RoleQualityEngineerCode,
                        ApproverNames = "过程检验质量工程师",
                        MultiApproveMode = "Any",
                    },
                    Text = new FlowTextItem { X = 820, Y = 154, Value = "质量处置" },
                },
                new()
                {
                    Id = "end",
                    Type = "bpmn:endEvent",
                    X = 980,
                    Y = 120,
                    Properties = new FlowProperties { NodeName = "结束" },
                    Text = new FlowTextItem { X = 980, Y = 154, Value = "结束" },
                },
            },
            Edges = new List<ApprovalFlowEdgeItem>
            {
                BuildEdge("edge-start-n1", "start", IpqcInspectionFlowConst.NodeInspect, 140, 120, 260, 120),
                BuildEdge("edge-n1-n2", IpqcInspectionFlowConst.NodeInspect, IpqcInspectionFlowConst.NodeSupervisor, 340, 120, 460, 120),
                BuildEdge("edge-n2-gw", IpqcInspectionFlowConst.NodeSupervisor, IpqcInspectionFlowConst.GatewayResult, 540, 120, 640, 120),
                BuildEdge("edge-gw-n3", IpqcInspectionFlowConst.GatewayResult, IpqcInspectionFlowConst.NodeDisposition, 680, 120, 780, 120),
                BuildEdge("edge-gw-end", IpqcInspectionFlowConst.GatewayResult, "end", 680, 120, 960, 120),
                BuildEdge("edge-n3-end", IpqcInspectionFlowConst.NodeDisposition, "end", 860, 120, 960, 120),
            }
        };
        return JsonSerializer.Serialize(item);
    }

    private static ApprovalFlowEdgeItem BuildEdge(string id, string source, string target, float sx, float sy, float ex, float ey)
    {
        return new ApprovalFlowEdgeItem
        {
            Id = id,
            Type = "bpmn:sequenceFlow",
            SourceNodeId = source,
            TargetNodeId = target,
            StartPoint = new FlowEdgePointItem { X = sx, Y = sy },
            EndPoint = new FlowEdgePointItem { X = ex, Y = ey },
            Properties = new FlowProperties(),
            PointsList = new List<FlowEdgePointItem>
            {
                new() { X = sx, Y = sy },
                new() { X = ex, Y = ey },
            },
        };
    }
}